tests/09imsm-assemble

   1 # validate the prodigal member disk scenario i.e. a former container
   2 # member is returned after having been rebuilt on another system
   3
   4
   5 imsm_check_hold() {
   6    if mdadm --remove $1 $2; then
   7        echo "$2 removal from $1 should have been blocked" >&2
   8        cat /proc/mdstat >&2
   9        mdadm -E $2
  10        exit 1
  11    fi
  12 }
  13
  14 imsm_check_removal() {
  15    if ! mdadm --remove $1 $2 ; then
  16        echo "$2 removal from $1 should have succeeded" >&2
  17        cat /proc/mdstat >&2
  18        mdadm -E $2
  19        exit 1
  20    fi
  21 }
  22
  23 export IMSM_DEVNAME_AS_SERIAL=1
  24 export IMSM_TEST_OROM=1
  25 export IMSM_NO_PLATFORM=1
  26 container=/dev/md/container
  27 member=/dev/md/vol0
  28
  29
  30 num_disks=4
  31 size=$((10*1024))
  32 mdadm -CR $container -e imsm -n $num_disks $dev0 $dev1 $dev2 $dev3
  33 mdadm -CR $member $dev0 $dev2 -n 2 -l 1 -z $size
  34 mdadm --wait $member
  35 mdadm -Ss
  36
  37 # make dev0 and dev1 a new rebuild family
  38 mdadm -A $container $dev0 $dev1
  39 mdadm -IR $container
  40 mdadm --wait ${member}_0
  41 mdadm -Ss
  42
  43 # make dev2 and dev3 a new rebuild family
  44 mdadm -A $container $dev2 $dev3
  45 mdadm -IR $container
  46 mdadm --wait ${member}_0
  47 mdadm -Ss
  48
  49 # reassemble and make sure one of the families falls out
  50 mdadm -A $container $dev0 $dev1 $dev2 $dev3
  51 mdadm -IR $container
  52 testdev ${member}_0 1 $size 64
  53 if mdadm --remove $container $dev0 ; then
  54     # the dev[23] family won
  55     imsm_check_removal $container $dev1
  56     imsm_check_hold $container $dev2
  57     imsm_check_hold $container $dev3
  58 else
  59     # the dev[01] family won
  60     imsm_check_hold $container $dev1
  61     imsm_check_removal $container $dev2
  62     imsm_check_removal $container $dev3
  63 fi
  64 mdadm -Ss
  65
  66 # reassemble with a new id for the dev[23] family
  67 mdadm -A $container $dev0 $dev1
  68 mdadm -IR $container
  69 mdadm -A ${container}2 $dev2 $dev3 --update=uuid
  70 mdadm -IR ${container}2
  71
  72 testdev ${member}_0 1 $size 64
  73 testdev ${member}_1 1 $size 64